diff options
Diffstat (limited to 'sljit/sljitNativePPC_32.c')
| -rw-r--r-- | sljit/sljitNativePPC_32.c | 77 |
1 files changed, 49 insertions, 28 deletions
diff --git a/sljit/sljitNativePPC_32.c b/sljit/sljitNativePPC_32.c index 5a555fc..fc185f7 100644 --- a/sljit/sljitNativePPC_32.c +++ b/sljit/sljitNativePPC_32.c @@ -88,63 +88,84 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_NEG: SLJIT_ASSERT(src1 == TMP_REG1); - return push_inst(compiler, NEG | OERC(flags) | D(dst) | A(src2)); + /* Setting XER SO is not enough, CR SO is also needed. */ + return push_inst(compiler, NEG | OE((flags & ALT_FORM1) ? ALT_SET_FLAGS : 0) | RC(flags) | D(dst) | A(src2)); case SLJIT_CLZ: SLJIT_ASSERT(src1 == TMP_REG1); - return push_inst(compiler, CNTLZW | RC(flags) | S(src2) | A(dst)); + return push_inst(compiler, CNTLZW | S(src2) | A(dst)); case SLJIT_ADD: if (flags & ALT_FORM1) { - /* Flags does not set: BIN_IMM_EXTS unnecessary. */ - SLJIT_ASSERT(src2 == TMP_REG2); - return push_inst(compiler, ADDI | D(dst) | A(src1) | compiler->imm); + /* Setting XER SO is not enough, CR SO is also needed. */ + return push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); } + if (flags & ALT_FORM2) { /* Flags does not set: BIN_IMM_EXTS unnecessary. */ SLJIT_ASSERT(src2 == TMP_REG2); - return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm); + + if (flags & ALT_FORM3) + return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm); + + if (flags & ALT_FORM4) { + FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1)))); + src1 = dst; + } + + return push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff)); } if (flags & ALT_FORM3) { SLJIT_ASSERT(src2 == TMP_REG2); return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm); } - if (flags & ALT_FORM4) { - /* Flags does not set: BIN_IMM_EXTS unnecessary. */ - FAIL_IF(push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff))); - return push_inst(compiler, ADDIS | D(dst) | A(dst) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1))); - } if (!(flags & ALT_SET_FLAGS)) return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2)); - return push_inst(compiler, ADDC | OERC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); + if (flags & ALT_FORM4) + return push_inst(compiler, ADDC | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2)); + return push_inst(compiler, ADD | RC(flags) | D(dst) | A(src1) | B(src2)); case SLJIT_ADDC: return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2)); case SLJIT_SUB: if (flags & ALT_FORM1) { - SLJIT_ASSERT(src2 == TMP_REG2); - return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm); - } - if (flags & (ALT_FORM2 | ALT_FORM3)) { - SLJIT_ASSERT(src2 == TMP_REG2); - return push_inst(compiler, ((flags & ALT_FORM2) ? CMPI : CMPLI) | CRD(0) | A(src1) | compiler->imm); + if (flags & ALT_FORM2) { + FAIL_IF(push_inst(compiler, CMPLI | CRD(0) | A(src1) | compiler->imm)); + if (!(flags & ALT_FORM3)) + return SLJIT_SUCCESS; + return push_inst(compiler, ADDI | D(dst) | A(src1) | (-compiler->imm & 0xffff)); + } + FAIL_IF(push_inst(compiler, CMPL | CRD(0) | A(src1) | B(src2))); + if (!(flags & ALT_FORM3)) + return SLJIT_SUCCESS; + return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1)); } - if (flags & (ALT_FORM4 | ALT_FORM5)) { - return push_inst(compiler, ((flags & ALT_FORM4) ? CMP : CMPL) | CRD(0) | A(src1) | B(src2)); + + if (flags & ALT_FORM2) { + /* Setting XER SO is not enough, CR SO is also needed. */ + return push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); } - if (flags & ALT_FORM6) { + + if (flags & ALT_FORM3) { + /* Flags does not set: BIN_IMM_EXTS unnecessary. */ SLJIT_ASSERT(src2 == TMP_REG2); - FAIL_IF(push_inst(compiler, CMPLI | CRD(0) | A(src1) | compiler->imm)); - return push_inst(compiler, ADDI | D(dst) | A(src1) | (-compiler->imm & 0xffff)); + return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm); } - if (flags & ALT_FORM7) { - FAIL_IF(push_inst(compiler, CMPL | CRD(0) | A(src1) | B(src2))); - return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1)); + + if (flags & ALT_FORM4) { + if (flags & ALT_FORM5) { + SLJIT_ASSERT(src2 == TMP_REG2); + return push_inst(compiler, CMPI | CRD(0) | A(src1) | compiler->imm); + } + return push_inst(compiler, CMP | CRD(0) | A(src1) | B(src2)); } + if (!(flags & ALT_SET_FLAGS)) return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1)); - return push_inst(compiler, SUBFC | OERC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); + if (flags & ALT_FORM5) + return push_inst(compiler, SUBFC | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1)); + return push_inst(compiler, SUBF | RC(flags) | D(dst) | A(src2) | B(src1)); case SLJIT_SUBC: return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1)); @@ -154,7 +175,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl SLJIT_ASSERT(src2 == TMP_REG2); return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm); } - return push_inst(compiler, MULLW | OERC(flags) | D(dst) | A(src2) | B(src1)); + return push_inst(compiler, MULLW | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1)); case SLJIT_AND: if (flags & ALT_FORM1) { |